CN102744968B - Hand-held printer and method for servicing an inkjet print head on a hand held printer - Google Patents
Hand-held printer and method for servicing an inkjet print head on a hand held printer Download PDFInfo
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- CN102744968B CN102744968B CN201210159698.2A CN201210159698A CN102744968B CN 102744968 B CN102744968 B CN 102744968B CN 201210159698 A CN201210159698 A CN 201210159698A CN 102744968 B CN102744968 B CN 102744968B
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- Prior art keywords
- ink
- jet part
- wiper
- cap
- jet
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/135—Nozzles
- B41J2/165—Preventing or detecting of nozzle clogging, e.g. cleaning, capping or moistening for nozzles
- B41J2/16505—Caps, spittoons or covers for cleaning or preventing drying out
- B41J2/16508—Caps, spittoons or covers for cleaning or preventing drying out connected with the printer frame
- B41J2/16511—Constructions for cap positioning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/135—Nozzles
- B41J2/165—Preventing or detecting of nozzle clogging, e.g. cleaning, capping or moistening for nozzles
- B41J2/16505—Caps, spittoons or covers for cleaning or preventing drying out
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/135—Nozzles
- B41J2/165—Preventing or detecting of nozzle clogging, e.g. cleaning, capping or moistening for nozzles
- B41J2/16517—Cleaning of print head nozzles
- B41J2/16535—Cleaning of print head nozzles using wiping constructions
- B41J2/16538—Cleaning of print head nozzles using wiping constructions with brushes or wiper blades perpendicular to the nozzle plate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/135—Nozzles
- B41J2/165—Preventing or detecting of nozzle clogging, e.g. cleaning, capping or moistening for nozzles
- B41J2/16585—Preventing or detecting of nozzle clogging, e.g. cleaning, capping or moistening for nozzles for paper-width or non-reciprocating print heads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
- B41J3/36—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for portability, i.e. hand-held printers or laptop printers
Abstract
The invention relates to a hand-held printer and a method for servicing an inkjet print head on a hand held printer, particularly, a hand-held printer that includes an inkjet array having a plurality of inkjets is disclosed. The hand-held printer may include an inkjet cap sized to cooperatively engage the inkjet array, wherein the inkjet cap is movable between and open position and a closed position, and a plurality of wipers carried by the inkjet cap, wherein each of the plurality of wipers is configured to engage one of the plurality of inkjets as the inkjet cap moves from the open position to the closed position; and wherein each of the plurality of wipers includes a gasket configured to form a seal adjacent to one of the plurality of inkjets.
Description
The present invention is 200880006958.4 based on application number, and the applying date is on March 3rd, 2008, and application artificial " Marville International Co., Ltd ", is entitled as the divisional application of " hand held printer and the method for safeguarding the ink-jet part on hand held printer ".
the cross reference of related application
The priority being entitled as the U.S. Provisional Application 60/892,698 of " SERVICING INKJET PRINT HEAD ON HAND-HELD PRINTER " that the application requires on March 2nd, 2007 to submit to according to 35U.S.C. § 119 (e).The full content of these applications is incorporated into this by reference.
Technical field
The present invention relates to equipment and the method for the ink jet-print head on hand held printer.
Background technology
Printhead is promoted, locates and is sent to the desired locations adjacent with print media by bracket that known printer often utilizes mechanical type to drive linearly.Print media is then adjacent to mechanically driven and locate below printhead and/or with printhead.In printing operation process, along with placement image, printhead and print media are relative to each other located.
Other known printer is designed and is configured to portable.Such as, portable printer often comprises microminiaturized parts to reduce overall weight and the size of equipment.No matter the size of these portable printers how, and the structure of printhead and print media is carry out work in the mode identical with above-mentioned known printer with motion.Therefore, the driving mechanism of printhead and print media limits the size reduction of printer and can be used as the material of print media.
Summary of the invention
The present invention relates generally to a kind of hand held printer, particularly relates to (handpropelled) printer of hand propelled, and this printing mechanism causes serves and safeguards independent ink-jet part and/or ink-jet part array.Portability and/or ambulant printer is enhanced relative to known printer and portable printer desirable to provide a kind of.It would also be desirable to provide a kind of mobile printer, it can reduce and/or eliminate the needs for printhead used in known printer and portable printer and print media driving mechanism.In addition, it would also be desirable to provide a kind of equipment and method, for the protection of with the function of ink ejecting sections guaranteeing printhead.
In one embodiment, disclose a kind of hand held printer, this hand held printer comprises the ink-jet part array with multiple ink-jet part.This hand held printer can comprise: ink-jet part cap, and it is sized to coordinate to cooperatively with ink-jet part array, and wherein, described ink-jet part cap is movable between an open position and a closed; Multiple wiper, it is carried by described ink-jet part cap, and wherein, described multiple wiper is configured to along with described ink-jet part cap coordinates with one of multiple ink-jet parts described ink-jet part array from described open position to the motion of described closed position separately; Wherein, described multiple wiper comprises liner separately, and one of multiple ink-jet part described in described pad structure Cheng Yu is adjacent to form sealing.
In another kind of embodiment, disclose a kind of method of the ink-jet part on hand held printer.The method comprises: ink-jet part cap is changed from open position to closed position; Be adjacent to slip wiper with described ink-jet part, wherein, described wiper is carried by described ink-jet part cap and is configured to coordinate with described ink-jet part; By the environmental seal of the liner part of described wiper at described ink-jet part; Described ink-jet part cap is locked in described closed position.
In another kind of embodiment, disclose a kind of hand held printer.This hand held printer comprises: for the device providing cap to ink-jet part array, wherein, this is used for providing the device of cap movable between an open position and a closed; For the device of described ink-jet part array of swiping, wherein, this is used for the device of swiping by for providing the device of cap to carry, and is configured to along with for providing the device of cap to coordinate with described ink-jet part array from described open position to the motion of described closed position; For sealing the device of described ink-jet part array, wherein, when for providing the device of cap to be in described closed position, this device being used for sealing cooperates with the device for swiping.
Detailed description below and drawings describe other feature and advantage of disclosed hand held printer.
Accompanying drawing explanation
Fig. 1 is the logical schematic of the hand held printer according to disclosure in the application;
Fig. 2 is the face upwarding view of the hand held printer that composition graphs 1 is discussed;
Fig. 3 is the plan view from above of hand held printer shown in Fig. 2;
The flow chart of Fig. 4 describes the exemplary location operations that can be performed by hand held printer;
The flow chart of Fig. 5 describes the exemplary print that can be performed by hand held printer and operates; And
Fig. 6 A to Fig. 6 D be can with the exemplary plot of hand held printer shown in Fig. 2 in conjunction with the cap of work.
Detailed description of the invention
The embodiment discussed in the application and principle provide the printer of a kind of movable type or hand propelled, and it has compact size and is suitable for printing on various print media.Exemplary mobile printer eliminates bracket and paper process mechanism, and can comprise scanning sensor and position sensor.
Fig. 1 illustrates logical scheme Figure 100 of the printer 102 of movable type or hand propelled.The printer of terms printer used in the application, printing device, hand held printer, mobile printer and hand propelled is considered to be synonym and interchangeable.Printer 102 can comprise controller 104, and controller 104 is powered by power supply 106 and communicated with sensor suite 110 with printhead 108.Sensor suite 110 can comprise one or more position sensor or navigation sensor 112 in this exemplary embodiment, and one or more optical imaging sensor 114.Controller 104 and sensor suite 110 cooperate so that carry out precision to printhead 108 and locate accurately in whole printing and/or scan operation.Precision positioning makes printer 102 can reliably generate or printed drawings picture, and scans or obtain image.
Controller 104 can comprise communication interface or module 116, and this communication interface or module are coupled to image processing module 118 and image information source 120.Image processing module 118 then can be coupled to print module 122 and image capture module 124 by correspondence.Print module 122 and image capture module 124 can be coupled to locating module 126 in the mode communicated in this exemplary embodiment.
Image information source 120 can be the equipment of any type that can send the data relevant with image, picture or the file that will be printed by printhead 108.Image information source 120 can comprise universal computing device (such as Desktop computing device, lap-top computing devices, mobile computing device, personal digital assistant, cell phone etc.), also can be the dismountable storage facilities (such as flash data storage facilities) being designed to storage data (such as view data).Such as, if image information source 120 is dismountable storage facilities (such as USB (USB) storage facilities), then communication interface 116 can comprise port (such as USB port) to coordinate with storage facilities and to hold this storage facilities by correspondence.In another kind of embodiment, communication interface 116 can comprise wireless transceiver, to make it possible to the radio communication of carrying out view data between image information source 120 and controller 104.Or communication interface 116 can so that create infrared (IR) communication link, radio frequency (RF) communication link or any other the known communication system maybe can expected, method or medium.
Communication interface 116 can be configured by one or more wired and/or wireless network to communicate with image information source 120 in other alternative embodiments.These networks can include but not limited to territory net (PAN), LAN (LAN), WLAN (WLAN), a wide area network (WAN) etc.These networks can according to the standard of arbitrary number and/or specification (such as IEEE802.11x (wherein x represents a, b, g and n etc.), 802.16,802.15.4, bluetooth, global system for mobile communications (GSM), CDMA (CDMA), Ethernet etc.) set up.
Image processor 118 can receive view data from communication interface 116 and process so that print processing received view data.Or the process of view data can be performed by image information source 120 or other equipment or module and is communicated to communication interface 116.Treated view data can then be provided to print module 122.Print module 122 can carry out buffer memory or storage to treated view data, or data can be passed in real time to be printed by printhead 108.
Locating module 126 can provide positional information to print module 122.Positional information can be used for calculating the relative position of printhead 108 pairs of datum marks, in the view data that this datum mark is defined or sets up on the print medium or just printed and/or scans.Positional information can be produced according to the signal received from one or more navigation sensor 112, measurement result or other information or calculate by locating module 126.Navigation sensor 112 can be such as photoelectric sensor, pickoff or one or more inertial sensor, and these sensor arrangement become to provide position and directional information to printer 102 and printhead 108.Position and directional information then can be used for determining printer 102 and printhead 108 accurate location relative to surface of print media by locating module 126, and described surface of print media is that view data wants reproduced surface thereon.Print media described in the application can be can any material of deposit printing substance (such as ink, powder etc.) or medium thereon.
By locating module 126, the positional information provided by navigation sensor 112 can be used for the position adjustments of printhead 108 to the position in the treated view data provided by image processing module 118 by print module 122.Then print module 122 can guide and control printhead 108 and distributed by ink and deposit on the print medium, to present the appropriate section of treated view data.
Printhead 108 can be ink jet-print head, it has multiple nozzle or primitive (primitive) (Fig. 2 shows more details), and these nozzles or primitive are configured to printed matter (such as liquid ink water droplet) to distribute on the print medium.Printed matter can be contained in reservoir or box.Reservoir or box can hold or store black ink and/or cyan, magenta ink, yellow ink and black ink.Other embodiments can utilize other printing techniques, such as based on the printer of toner (toner), such as laser printer or light emitting diode (LED) printer, solid ink printer, thermal printer, inkless printers etc.
Image capture module 124 can receive the image information from one or more optical imaging sensor 114.Optical imaging sensor 114 can be charge-coupled image sensor (CCD), and it is constructed and arranged to catch multiple image, these image representative print media or other can the surface of scanned medium.Described multiple image can be processed by image capture module 124 and recombinate to produce print media or can the representation of scanned medium.Image capture module 124 can receive the locating information from locating module 126, so that the multiple captured image provided by optical image sensor 114 of arranging and recombinate.In this way, printer 102 can be used for, by the cooperation of image capture module 124, locating module 126 and print module 122, scanning, processing, store and duplicating image.
Image capture module 124 can be used for calibrating locating module 126 in another kind of embodiment.Such as, the image of being caught by optical image sensor 114 can be compared by the treated view data provided with image processing module 118, to correct or to compensate accumulation position error and/or to be redirected locating module 126.Such as, if remove printer 102 from print media in print procedure, then locating module 126 may lose the tracking for the datum mark be associated with print procedure.
Fig. 2 illustrates the face upwarding view of printing device 200, and this printing device can be configured to the printer 102 comprising content and movable type or the hand propelled discussed in conjunction with logical scheme 100.Therefore, the parts of printer 102 and element can be included in printing device 200 or with printing device 200 and become one.Such as, printing device 200 comprises shell 202, and shell 202 supports and carry printhead 108 and sensor suite 110, and sensor suite 110 comprises a pair navigation sensor 112 and one or more optical image sensor 114.
This can be used for determining the locating information relevant to optical imaging sensor 114 and/or printhead 108 by locating module 126 (see Fig. 1) to navigation sensor 112.Optical imaging sensor 114 and printhead 108 to support the mode that navigation sensor 112 is fixing relative to this, make the image that obtained by navigation sensor 112 and/or positional information can be accurately relevant to the corresponding situation of optical imagery module 114 and printhead 108 by shell 202.
In this exemplary embodiment, printhead 108 can be ink jet-print head, and it has the multiple nozzle row for different colours ink.Such as, if printhead 108 is colored (CMYK) printheads, it can comprise the nozzle row 204 for cyan (C), the nozzle row 206 for magenta ink (M), for the nozzle row 208 of yellow ink (Y) and the nozzle row 210 for black ink (K).The nozzle row of printhead 108 or nozzle 204 to 210 can be arranged to adjacent with optical imaging sensor 114.This structure makes optical imaging sensor 114 can catch the information relevant with the ink deposited by printhead 108 on the print medium along with the distribution of ink.This information can for correction error and verify treated view data in the process of whole distribution and/or print processing.
Nozzle 204 to 210 in this exemplary embodiment is arranged according to color.Such as, the arrangement of these colors stored in nozzle 204 to 210 and order can based on predetermined deposition order and/or amounts, described order and/or amount be by these colors stored in nozzle 204 to 210 are carried out to deposition and thus mixing to create needed for new color.Utilize different primary colours or composition color (color such as except CMYK) different nozzle orders or layout may be needed, to produce new color, color combination etc.
Fig. 3 illustrates the plan view from above of printing device 200 shown in Fig. 2.The function that controller 104 designs or supports according to Fig. 1, printing device 200 can comprise various user control, button, touch-screen etc.Such as, printing device 200 comprises Print Control input 302, scan control input 304 and display 306, and they are coupled to controller 104 in the mode of communication.Print Control input 302 can provide the signal that can be used for initiating/recover printing to controller 104.Scan control input 304 can provide the signal that can be used for initiating/recover scan operation to controller 104.
Display 306 can be passive matrix displays, interactive display etc., and can provide various information to user.This information can be relevant with the current operation status of printing device 200 (such as: print, awaiting orders prints, scans, awaits orders and scan, receiving printed drawings picture, send printed drawings picture, send scan image etc.), battery power, mistake (such as, scan/locate/misprint etc.), instruction (such as " to be redirected on printing portion equipment being placed on image " etc.).If display 306 is interactive displays, then it can provide the control interface except control input end 302 and 304, or substituting as control input end 302 and 304.
Flow chart shown in Fig. 4 illustrate can as shown in Figure 2 printing device 200 perform a kind of exemplary location operations 400.At square frame 402, positioning action 400 can start from the initialization of scanning or printing.Such as, Print Control input 302 (see Fig. 3) can provide signal to initialize printing to controller 104 (see Fig. 1), or scan control input 304 (see Fig. 3) can provide signal to operate with initialization scan to controller 104.
At square frame 404, the datum mark on print media can be set up by locating module 126.Such as, when printing device 200 is positioned at the starting position of expectation, indicating user can be carried out by the text that provided by display 306 or figure and activate one of input 302,304.Or when activating suitable input 302,304, user can by printing device 200 pre-determined bit in the starting position expected and direction, and datum mark also can be established.
At square frame 406, locating module 126 can utilize the information provided by navigation sensor 112 to determine the positional information of printing device 200, such as, change relative to the translation of datum mark and/or rotate to change.By following the tracks of along the incremental change (such as Δ x and Δ y) of two-dimensional coordinate system the position of navigation sensor, can determine that translation changes.Can, by following the tracks of the incremental change (such as Δ θ) of printing device relative to the angle of such as y-axis, determine to rotate change.Can be compared to detect these motions to the continuous print navigation picture gathered by navigation sensor 112 by locating module, thus determine that these translations change and rotate change.
At square frame 408, locating module 126 can also receive the treated view data from image processing module 118.If part or all of image to be deposited before this or to be printed on given position, then optical image sensor 114 can be used for verifying the position that the calculates accuracy relative to received treated view data.Such as, optical image sensor 114 can be sampled to deposited image (image that maybe will scan), and this sample and the relevant position in the treated view data received is compared.This verification process can be noted and compensate printing and/or depositing incomplete image further.
At square frame 410, locating module 126 can correct the difference between calculated position and the treated view data received and deviation.Such as, utilize enough information (deposited sufficient amount of material in the position such as scanned by optical image sensor 114), locating module 126 can location information carry out being biased and aiming at, to guarantee this two images match.If locating module 126 can not determine suitable being biased according to available information, then optical image sensor 114 can be used for collecting more information, identification icon etc.These extra information and/or pattern then can by locating module 126 be used for determining making calculated position to aim at received treated view data needed for biased.According to the resolution ratio etc. of such as image complexity, available processing power, expectation, calibration and compensation can carry out continuously or periodically carry out.
At square frame 412, state and the calculating of positioning action 400 can be assessed.If determine that positional information is accurate, then at square frame 414, positioning action 400 can complete.If positional information is incomplete, inaccuracy or unacceptable in other respects, then positioning action 400 can return square frame 406 and again start this process.
Flow chart shown in Fig. 5 illustrates the printing 500 that can be performed by printing device 200.At square frame 502, the signal that printing 500 can such as be provided by Print Control input 302 or initiate.
At square frame 504, print module 122 can receive treated view data from image processing module 118.As previously mentioned, this view data can from image information source 120 with original or undressed form reception, and be undertaken processing for printing by image processing module 118.Or, as discussed in conjunction with figure 1, pretreatment can be carried out by image information source 120 to this view data, and convey to print module 122.
At square frame 506, display 306 can show that printing device 200 is awaited orders and print treated view data.Display 306 can also provide the thumbnail representation of treated view data.The thumbnail image provided by display 306 can be used for showing the state of printing 500.Such as, along with printing device 200 by treated view data distribute and print on the print medium, thumbnail image can be wiped free of, hides or otherwise revise.
At square frame 508, print module 122 can receive the signal representation of the print command that the user by activating Print Control input 302 at square frame 516 produces.
At square frame 510, print module 122 can also receive locating information from locating module 126.
At square frame 512, thus print module 122 can determine whether position deposit printing substance (inks of such as one or more colors) given on the surface of print media.Such as, judge that printing or deposited ink can by total droplet size of the given position that will be placed on surface of print media and the droplet size decisions being deposited on this position before this.If produce additional printing or deposition, then at square frame 514 place, print module 122 can move along with user or promote printing device 200 and make printhead 108 distribute appropriate printed matter on surface of print media.Printing 500 then can return square frame 510 to receive additional position information in order to further depositing.
If do not have additional printing or deposition to occur, then at square frame 516, printing 500 can judge whether print job completes.The judgement whether completed for print job can be determined with total comparing of printing volume by printed volume.Or, even if total the printing volume that is less than of the volume printed, the judgement terminating printing 500 also can be made.Such as, when printed volume is always print volume 95 (95%) percent, the end of printing 500 can be there is.If print out task completes, then at square frame 518, printing 500 terminates.If print out task does not complete, then printing 500 can return square frame 510, receives additional locating information in order to further depositing.
Fig. 6 A to Fig. 6 D illustrates the moveable or telescopic cap 600 of the one that can be combined with printing device 200.Specifically, the size of moveable cap 600 can be arranged to coordinate with the shell 202 of cooperation mode with contiguous printhead 108 with structure.As shown in Figure 6A, when cap 600 is disposed in closed position, cap 600 is adjacent with printhead 108 or coordinate.Specifically, printhead 108 can be carried in the recessed portion of shell 202, to protect nozzle 204 to 210 and to make it to aim at relative to the surface of the print media that will be assigned with printed matter.Cap 600 is with multiple wiper 602 and liner 604 (see Fig. 6 B), and they are configured to the cleaning nozzle 204 to 210 when cap 600 is disposed in closed position and coordinate with it.
Fig. 6 B illustrates the amplification stereogram of cap 600 and multiple wiper 602 and liner 604.Cap 600 can comprise base portion 606, and base portion 606 is sized to carry multiple wiper 602 and liner 604.As shown in Figure 6 C, each wiper 602 comprises leading edge 602a and trailing edge 602b.Leading edge 602a can be the edge of curve, and it is configured to swipe when cap 600 is closed nozzle 204 to 210.The scraping action of leading edge 602a removes the excess ink and/or printed matter that may accumulate near nozzle 204 to 210.Trailing edge 602b can be sharp-pointed edge or interim form, and it is configured to skim over nozzle 204 to 210 when cap 600 is opened.That the sweep motion of trailing edge may block or disturb any drying of the work of nozzle 204 to 210 or accumulation printed matter and/or ink removing or wipe.
In one embodiment, wiper 602 and liner 604 can be formed a continuous part, and are configured to coordinate with each nozzle 204 to 210 simultaneously.Or as shown in Figure 6B, wiper 602 and liner 604 also can be formed as discrete part or element.In this arrangement, each nozzle 204 to 210 matches with the wiper 602 of separating and liner 604 or mates, to guarantee that each nozzle and printed matter are closed and isolate.Wiper 602 and liner 604 can by various can deformation plastics and/or elastomeric material (such as EPDM, Viton or similar thing) is formed or molded.The deformation of wiper 602 and liner 604 makes when cap is fastened or be arranged in closed position, can produce and seal (see Fig. 6 A) between cap 600 and printhead 108.
Base portion 606 can support a pair side 608,610, and this is arranged to vertical with the surface of base portion 606 substantially to side.The layout of base portion 606 and side 608,610 defines the inside of U-shaped substantially, and this inside is sized to close or coordinate the shell 202 adjacent with printhead 108.As shown in Figure 6A, when cap 600 is in the closed position, side 608 is adjacent with base portion 606 or coordinate shell 202.
Cap 600 can be tightened to adjacent with printhead 108 by locking piece 612.By unclamping locking piece 612 along the direction shown in arrow A, cap 600 can along the direction shown in arrow B around shell 202 freely pivotable or rotation.Such as, along with cap 600 (does not obviously illustrate from closed position (as shown in Figure 6A) to open position, but leave nozzle 204 to 210) motion, while base portion 606, wiper 602 and liner 604 releasing cooperation also cleaning nozzle 204 to 210, side 608 and 610 can keep slidingly contacting with shell 202.
The motion of cap 600 such as can be controlled by cam 614 or guide.Cam 614 can be formed in the side of shell 202 or can be formed in the side 608,610 of cap 600.Should be appreciated that no matter which parts cam 614 is formed in, can form suitable cam-follower 616 in the parts matched.Cam 614 represents a kind of method controlling the motion of cap 600 between closed position (as shown in Figure 6A) and open position and guide, and this open position makes nozzle 204 to 210 can freely distribute printed matter and/or ink.
Fig. 6 D illustrates the schematic diagram of guide member or the cam 614 controlled the motion of cap 600.In this exemplary embodiment, along with cam-follower 616 moves or translation along the general direction represented by arrow C, the overall movement of cam 614 pairs of caps 600 controls.Such as, along with cap 600 moves from open position 618, cam-follower 616 to be directed into the position near printhead 108 along path for translation 620 by cam 614.Near the point represented by label 622 maybe this point, the leading edge 602a of wiper 602 contacts with nozzle 204 to 210.Along with cam-follower 616 and cap 600 move along the scraping path 624 limited between point 622 and point 626, contact causes to be swiped to nozzle 204 to 210 by leading edge 602a or cleans.At point 626 place, scraping action completes, along with cap 600 is moved to and shell 202 close contact by the motion of cam-follower 616, wiper 602 and leading edge 602a start deformation and with the surface engagement of nozzle 204 to 210.
Wiper 602 and the deformation of leading edge 602a make liner 604 contact nozzle 204 to 210 and to seal.The sealing formed by the cooperation of wiper 602 and liner 604 can prevent the printed matter in nozzle 204 to 210 dry and form grumeleuse.At point 626 place, contact more closely with shell 202 along with cap 600 moves into, wiper 602 and liner 604 can also compress nozzle 204 and 210.This further compression can make the air in sealing stressed and/or be removed.Along with cam-follower 616 makes cap 600 move to point 628, be reduced by the compression of the wiper 602 that seals and liner 604.The reduction of compression conforms to being increased with the internal volume in the space 630 formed that cooperates of liner 604 by wiper 602, maintains the air capacity be trapped in seal cavity 630 simultaneously.The volume in space 630 increases the pressure jointly caused in space 630 with the constant amount of air wherein held and reduces.The pressure reduced then makes nozzle 204 to 210 moist and with distribution of awaiting orders.
Be appreciated that by making cap 600 and cam-follower 616 counter motion (such as by locking piece or breech lock 612 being unclamped), by the roughly direction shown in arrow D, sealing and closing process can be conversely.In this opening procedure, along with cap 600 and cam-follower 616 move from point 626 to point 622, trailing edge 602b skims over nozzle 204 to 210.
In another kind of embodiment, cam 614 and cam-follower 616 can be spring-loaded systems.Spring load can make cap 600 and wiper 602 can coordinate with nozzle 204 to 210/remove with friction speed to coordinate.Such as, along with the follower of cam 616 and cap 600 moves (see arrow C) from point 622 to point 626, spring (not shown) can be compressed.The compression of spring (not shown) can make the motion of the wiper 602 carried by cap 600 slow down.Along with the follower of cam 616 and cap 600 moves (see arrow D) from point 626 to point 622, spring (not shown) can be stretched.The elongation of spring (not shown) releases the energy wherein stored, and promptly the wiper 602 carried by cap 600 is driven to open position.
In another kind of embodiment, cap 600 can be guided to locking piece 612 by cam 614 simply.Locking piece 612 in this embodiment can be spring-loaded locking piece, and it is configured to coordinate with the leading edge of base portion 606.Such as, when the leading edge of base portion 606 coordinates with locking piece 612, the spring section of locking piece is compressed.The compression of spring causes the deformation of wiper 602 and liner 604, and locking piece 612 is coordinated with base portion 606.When unclamping the base portion 606 be just engaged, the compression on spring can discharge, and this then makes space 630 expand and cause the pressure of expectation to reduce wherein.
It should be understood that the various changes and modifications for currently preferred embodiment described in the application are obvious to those skilled in the art.Can be made these change and amendment when not departing from the spirit and scope of the present invention and do not damage its advantage.Therefore will be understood that, claim covers these and changes and amendment.
Claims (19)
1. a hand held printer, comprising:
Ink-jet part cap, it is sized to coordinate to cooperatively with ink-jet part array, and wherein, described ink-jet part cap is movable between an open position and a closed; Multiple wiper, it is carried by described ink-jet part cap; And
Multiple deformable gasket, each deformable gasket in described multiple deformable gasket against at least one wiper in described multiple wiper,
Wherein, at least one wiper described in described multiple wiper is configured to along with described ink-jet part cap is swiped from described open position to the motion of described closed position and seals at least one the ink-jet part the multiple ink-jet parts in described ink-jet part array at least in part;
Wherein, at least one deformable gasket in described multiple deformable gasket is configured by distortion and cooperates with at least one wiper described and form the seal cavity adjacent with at least one the ink-jet part in described multiple ink-jet parts of described closed position;
Wherein, at least one wiper described and at least one deformable gasket described are configured by against described at least one ink-jet part compression at least one wiper described and at least one deformable gasket described, and described in reducing subsequently, at least one wiper and at least one deformable gasket described form vacuum against the compression of at least one ink-jet part described.
2. hand held printer according to claim 1, also comprises:
Locking mechanism, it is configured to releasably coordinate with described ink-jet part cap, and described ink-jet part cap is remained on described closed position.
3. hand held printer according to claim 1, also comprises:
Cam, it is slidably attached to described ink-jet part cap, wherein, described cam configuration becomes: along with described ink-jet part cap moves between described open position and described closed position, guided described ink-jet part cap and described multiple wiper by wipe phase and sealing stage.
4. hand held printer according to claim 3, wherein, described cam configuration becomes to guide described ink-jet part cap, makes described ink-jet part cap move between described open position and described closed position along with described ink-jet part cap and rotate at least in part.
5. hand held printer according to claim 1, wherein, each wiper in described multiple wiper comprises leading edge and trailing edge.
6. hand held printer according to claim 5, wherein, described leading edge defines curvilinear surface.
7. hand held printer according to claim 5, wherein, described trailing edge defines sharp-pointed edge.
8. hand held printer according to claim 1, wherein, at least one wiper described and at least one deformable gasket described are global facility.
9. hand held printer according to claim 1, wherein, described multiple deformable gasket is carried by described ink-jet part cap.
10. hand held printer according to claim 1, wherein, described compression forces air to leave described seal cavity.
11. hand held printers according to claim 10, wherein, increase the volume of described seal cavity described in reduction while being compressed in the air of the constant basis maintained in described seal cavity.
12. 1 kinds for safeguarding the method for the ink-jet part array on hand held printer, described method comprises:
Ink-jet part cap is changed from open position to closed position, and wherein, described ink-jet part cap is sized to coordinate with described ink-jet part array to cooperatively; To slide multiple wiper, wherein, multiple ink-jet parts in each part in described multiple wiper and described ink-jet part array wherein one adjacent, wherein, described multiple wiper is carried by described ink-jet part cap and is configured to move to the motion of described closed position along with described ink-jet part cap from described open position and swipe and seal described multiple ink-jet part at least in part;
Be out of shape by multiple deformable gasket and cooperate with described multiple wiper and use described multiple wiper and the described multiple deformable gasket adjacent with described multiple wiper to seal described multiple ink-jet part; And
By against the described multiple ink-jet part described multiple wiper of compression and described multiple deformable gasket, reduce described multiple wiper subsequently and described multiple deformable gasket forms vacuum against the compression of described multiple ink-jet part.
13. methods according to claim 12, wherein, the transformation of described ink-jet part cap is also comprised and along cam, described ink-jet part cap is guided, wherein, along with described ink-jet part cap moves between described open position and described closed position, described cam defines wipe phase and sealing stage.
14. methods according to claim 12, wherein, the curve leading edge that described multiple wiper of sliding comprises further along the described multiple wiper adjacent with described multiple ink-jet part is slided.
15. methods according to claim 12, wherein, described multiple wiper is by can the material of deformation be molded.
16. methods according to claim 12, also comprise:
Described ink-jet part cap is locked in described closed position.
17. methods according to claim 16, wherein, comprise described ink-jet part cap locking and coordinate spring-loaded locking mechanism.
18. methods according to claim 12, wherein, described compression forces air to leave the seal cavity formed by the cooperation of at least one at least one in described multiple wiper and described multiple deformable gasket.
19. methods according to claim 18, wherein, increase the volume of described seal cavity described in reduction while being compressed in the air of the constant basis maintained in described seal cavity.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US89269807P | 2007-03-02 | 2007-03-02 | |
| US60/892,698 | 2007-03-02 | ||
| CN200880006958.4A CN101626897B (en) | 2007-03-02 | 2008-03-03 | Hand held printer and method for servicing an inkjet member on a hand held printer |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200880006958.4A Division CN101626897B (en) | 2007-03-02 | 2008-03-03 | Hand held printer and method for servicing an inkjet member on a hand held printer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102744968A CN102744968A (en) | 2012-10-24 |
| CN102744968B true CN102744968B (en) | 2015-07-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210159698.2A Expired - Fee Related CN102744968B (en) | 2007-03-02 | 2008-03-03 | Hand-held printer and method for servicing an inkjet print head on a hand held printer |
| CN200880006958.4A Expired - Fee Related CN101626897B (en) | 2007-03-02 | 2008-03-03 | Hand held printer and method for servicing an inkjet member on a hand held printer |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200880006958.4A Expired - Fee Related CN101626897B (en) | 2007-03-02 | 2008-03-03 | Hand held printer and method for servicing an inkjet member on a hand held printer |
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| US (4) | US7997683B2 (en) |
| EP (1) | EP2114685A1 (en) |
| JP (1) | JP5211350B2 (en) |
| CN (2) | CN102744968B (en) |
| WO (1) | WO2008109536A1 (en) |
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- 2008-03-03 US US12/041,460 patent/US7997683B2/en not_active Expired - Fee Related
- 2008-03-03 EP EP08731268A patent/EP2114685A1/en not_active Withdrawn
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Also Published As
| Publication number | Publication date |
|---|---|
| US20110298862A1 (en) | 2011-12-08 |
| US8376510B2 (en) | 2013-02-19 |
| WO2008109536A1 (en) | 2008-09-12 |
| CN101626897A (en) | 2010-01-13 |
| JP5211350B2 (en) | 2013-06-12 |
| US20080211864A1 (en) | 2008-09-04 |
| US8251488B2 (en) | 2012-08-28 |
| EP2114685A1 (en) | 2009-11-11 |
| US8636338B2 (en) | 2014-01-28 |
| US20120299995A1 (en) | 2012-11-29 |
| CN102744968A (en) | 2012-10-24 |
| JP2010520086A (en) | 2010-06-10 |
| CN101626897B (en) | 2012-09-05 |
| US20130155146A1 (en) | 2013-06-20 |
| US7997683B2 (en) | 2011-08-16 |
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